News - What is the difference between stretch film and PE film?

Stretch Film vs. PE Film: What’s the Difference?

Although stretch film and PE film are closely related, they are not the same thing. The key distinction is that stretch film is a specific type of PE film engineered for elasticity and load stability, while PE film is a broader category of polyethylene-based plastic films with many uses.

What is Stretch Film?

Key Characteristics:

• High elasticity – can stretch 150%–300% or more
• Self-adhesive (cling) – sticks to itself without glue
• Excellent load stability – holds products tightly together
• Made from LLDPE (Linear Low-Density Polyethylene)

Typical Uses:

• Pallet wrapping in logistics and warehousing
• Securing cartons during transportation
• Protecting goods from dust and moisture

What is PE Film?

Common Types:

• LDPE (Low-Density Polyethylene) – soft, flexible
• HDPE (High-Density Polyethylene) – stronger, more rigid
• LLDPE – used for stretch film

Key Characteristics:

• Good moisture resistance
• Chemical stability
• Varying flexibility depending on type
• Can be transparent or opaque

Typical Uses:

• Packaging bags (shopping bags, liners)
• Agricultural films (greenhouse covers)
• Protective films
• Industrial sheeting

Core Differences

Key Takeaway

• All stretch film is PE film, but not all PE film is stretch film.
• Stretch film is engineered for tension and load containment, while PE film is a versatile material used across many industries.

When to Choose Each

• Use stretch film when you need:
  • Tight wrapping for pallets
  • Load stability during transport
  • High elasticity and cling
• Use PE film when you need:
  • General packaging or covering
  • Moisture protection
  • Cost-effective plastic sheeting

If you’re sourcing materials for packaging or manufacturing, I can help you compare thickness (microns), grades, or machine compatibility for your specific use case.